WEPA40 PHEB 251505 TSUPAC TSUNAMI MESSAGE NUMBER 1 NWS PACIFIC TSUNAMI WARNING CENTER FORD ISLAND HI 1505 UTC WED MAR 25 2015 ...PTWC TSUNAMI THREAT MESSAGE... **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE ***** THIS MESSAGE IS ISSUED FOR INFORMATION ONLY IN SUPPORT OF THE UNESCO/IOC PACIFIC TSUNAMI WARNING AND MITIGATION SYSTEM AND IS MEANT FOR NATIONAL AUTHORITIES IN EACH COUNTRY OF THAT SYSTEM. NATIONAL AUTHORITIES WILL DETERMINE THE APPROPRIATE LEVEL OF ALERT FOR EACH COUNTRY AND MAY ISSUE ADDITIONAL OR MORE REFINED INFORMATION. **** NOTICE **** NOTICE **** NOTICE **** NOTICE **** NOTICE ***** PRELIMINARY EARTHQUAKE PARAMETERS --------------------------------- * MAGNITUDE 8.1 * ORIGIN TIME 1500 UTC MAR 25 2015 * COORDINATES 53.5 NORTH 162.0 EAST * DEPTH 30 KM / 19 MILES * LOCATION OFF THE EAST COAST OF KAMCHATKA RUSSIA EVALUATION ---------- * AN EARTHQUAKE WITH A PRELIMINARY MAGNITUDE OF 8.1 OCCURRED OFF THE EAST COAST OF KAMCHATKA, RUSSIA AT 1500 UTC ON WEDNESDAY MARCH 25 2015. * BASED ON THE PRELIMINARY EARTHQUAKE PARAMETERS... WIDESPREAD HAZARDOUS TSUNAMI WAVES ARE POSSIBLE. TSUNAMI THREAT FORECAST ----------------------- * HAZARDOUS TSUNAMI WAVES FROM THIS EARTHQUAKE ARE POSSIBLE WITHIN THE NEXT THREE HOURS ALONG SOME COASTS OF RUSSIA AND JAPAN RECOMMENDED ACTIONS ------------------- * GOVERNMENT AGENCIES RESPONSIBLE FOR THREATENED COASTAL AREAS SHOULD TAKE ACTION TO INFORM AND INSTRUCT ANY COASTAL POPULATIONS AT RISK IN ACCORDANCE WITH THEIR OWN EVALUATION... PROCEDURES AND THE LEVEL OF THREAT. LOCAL AUTHORITIES. TEST... ESTIMATED TIMES OF ARRIVAL ...TEST ------------------------------------------ * ESTIMATED TIMES OF ARRIVAL -ETA- OF THE INITIAL TSUNAMI WAVE FOR PLACES WITH AN ETA WITHIN THE NEXT SIX HOURS. ACTUAL ARRIVAL TIMES MAY DIFFER AND THE INITIAL WAVE MAY NOT BE THE LARGEST. A TSUNAMI IS A SERIES OF WAVES AND THE TIME BETWEEN WAVES CAN BE FIVE MINUTES TO ONE HOUR. LOCATION REGION COORDINATES ETA(UTC) ------------------------------------------------------------ UST KAMCHATSK RUSSIA 56.1N 162.6E 1533 03/25 PETROPAVLOVSK RUSSIA 53.2N 159.6E 1547 03/25 MEDNNY ISLAND RUSSIA 54.7N 167.4E 1549 03/25 OSTROV KARAGINS RUSSIA 58.8N 164.5E 1601 03/25 SIMUSHIR RUSSIA 46.7N 151.8E 1619 03/25 SEVERO KURILSK RUSSIA 50.8N 156.1E 1655 03/25 KUSHIRO JAPAN 42.9N 144.3E 1713 03/25 HACHINOHE JAPAN 40.5N 141.5E 1748 03/25 KATSUURA JAPAN 35.1N 140.3E 1802 03/25 HACHIJO JIMA JAPAN 33.1N 139.8E 1820 03/25 CHICHI JIMA JAPAN 27.0N 142.3E 1846 03/25 MINAMITORISHIMA JAPAN 24.3N 154.0E 1855 03/25 GASTELLO RUSSIA 49.1N 143.0E 1901 03/25 MIDWAY ISLAND MIDWAY ISLAND 28.2N 177.4W 1902 03/25 SHIMIZU JAPAN 32.8N 133.0E 1929 03/25 SAPPORO JAPAN 43.5N 141.0E 1930 03/25 WAKE ISLAND WAKE ISLAND 19.3N 166.6E 1931 03/25 NOBEOKA JAPAN 32.5N 131.8E 1933 03/25 NIIGATA JAPAN 38.0N 139.0E 1950 03/25 VLADIVOSTOK RUSSIA 42.8N 132.0E 2006 03/25 SAIPAN NORTHERN MARIANA 15.3N 145.8E 2020 03/25 SINCHANG DPR OF KOREA 40.1N 128.5E 2021 03/25 GUAM GUAM 13.4N 144.7E 2042 03/25 UST KAHYRYUZOVO RUSSIA 57.1N 156.7E 2048 03/25 SHIMANE JAPAN 35.8N 133.0E 2049 03/25 JOHNSTON ISLAND JOHNSTON ISLAND 16.7N 169.5W 2055 03/25 VANINO RUSSIA 49.0N 140.4E 2056 03/25 ENIWETOK MARSHALL ISLANDS 11.4N 162.3E 2056 03/25 KWAJALEIN MARSHALL ISLANDS 8.7N 167.7E 2103 03/25 OKINAWA JAPAN 26.2N 127.8E 2104 03/25 POTENTIAL IMPACTS ----------------- * A TSUNAMI IS A SERIES OF WAVES. THE TIME BETWEEN WAVE CRESTS CAN VARY FROM 5 MINUTES TO AN HOUR. THE HAZARD MAY PERSIST FOR MANY HOURS OR LONGER AFTER THE INITIAL WAVE. * IMPACTS CAN VARY SIGNIFICANTLY FROM ONE SECTION OF COAST TO THE NEXT DUE TO LOCAL BATHYMETRY AND THE SHAPE AND ELEVATION OF THE SHORELINE. * IMPACTS CAN ALSO VARY DEPENDING UPON THE STATE OF THE TIDE AT THE TIME OF THE MAXIMUM TSUNAMI WAVES. * PERSONS CAUGHT IN THE WATER OF A TSUNAMI MAY DROWN... BE CRUSHED BY DEBRIS IN THE WATER... OR BE SWEPT OUT TO SEA. NEXT UPDATE AND ADDITIONAL INFORMATION -------------------------------------- * THE NEXT MESSAGE WILL BE ISSUED IN ONE HOUR... OR SOONER IF THE SITUATION WARRANTS. * AUTHORITATIVE INFORMATION ABOUT THE EARTHQUAKE FROM THE U.S. GEOLOGICAL SURVEY CAN BE FOUND ON THE INTERNET AT EARTHQUAKE.USGS.GOV/EARTHQUAKES -ALL LOWER CASE-. * FURTHER INFORMATION ABOUT THIS EVENT MAY BE FOUND AT PTWC.WEATHER.GOV AND AT WWW.TSUNAMI.GOV. * COASTAL REGIONS OF HAWAII... AMERICAN SAMOA... GUAM... AND CNMI SHOULD REFER TO PACIFIC TSUNAMI WARNING CENTER MESSAGES SPECIFICALLY FOR THOSE PLACES THAT CAN BE FOUND AT PTWC.WEATHER.GOV. * COASTAL REGIONS OF CALIFORNIA... OREGON... WASHINGTON... BRITISH COLUMBIA AND ALASKA SHOULD ONLY REFER TO U.S. NATIONAL TSUNAMI WARNING CENTER MESSAGES THAT CAN BE FOUND AT NTWC.ARH.NOAA.GOV. $$